Originally Posted by
magohn
Again - the constant comms with satellites will kill your phone in approx an hour. IMHO - you dont need "turn by turn" if your within an hour of home

Makes using a phone inpractical.
Unless you use a dynohub and a
http://http://www.thinkbiologic.com/...rge-power-pack. The downside is you're talking more wieght to carry, more wires snaking around the bike, and lighter pockets to the tune of a couple hundred dollars.